3 Show how √5 can be represented on the number line.

Question 3 Show how √5  can be represented on the number line.
Solution: 
 √5  = √(4+1)
  Here 4 and 1 both are perfect square number  as √4 = 2 and √1 = 1
So draw right triangle with side 2 and 1
And according to Pythagoras theorem hypotenuse will √(2²+1²)  = √5
Then draw an arc of √5 on number line